Enumeration defining the correlation of table
type ForcedConvectionCorrelation = enumeration(internal_pipe_ASHRAE "Dittus and Boelter correlation for the internal flow inside a cylinder", crossFlow_cylinder_ASHRAE "Churchill and Bernstein correlation for the external flow for cross flow over cylinder", flat_plate_ASHRAE "ASHRAE correlation for the external flow over a flat plate", Constant "Constant convection heat transfer ");